Table 3.
Mean overlap probabilities (95% credible intervals) from posterior distributions of the probability of species in rows overlapping onto the 95% isotopic niche of species in columns for each habitat sampled in the San Juan River and Lake Powell reservoir.
| Habitat/Species | Overlap probability (%) | |||||
|---|---|---|---|---|---|---|
| River upstream | I. punctatus | P. lucius | C. carpio | C. latipinnis | X. texanus | |
| P. lucius | 11 (2–28) | – | < 1 | 5 (< 1–29) | 14 (< 1–39) | |
| C. latipinnis | 25 (8–50) | 4 (< 1–19) | 1 (0–4) | – | 57 (32–87) | |
| X. texanus | 58 (32–84) | 19 (2–49) | < 1 | 62 (33–90) | – | |
| River downstream | I. punctatus | P. lucius | C. carpio | C. latipinnis | D. cepedianum | X. texanus |
| P. lucius | 67 (46–86) | – | 52 (14–84) | 15 (< 1–56) | 1 (0–5) | 31 (8–64) |
| C. latipinnis | 88 (69–98) | 7 (1–24) | 88 (65–99) | – | 19 (6–44) | 69 (37–94) |
| X. texanus | 61 (37–84) | 24 (6–53) | 82 (58–98) | 45 (21–75) | 27 (12–58) | – |
| Reservoir | I. punctatus | C. carpio | C. latipinnis | D. cepedianum | X. texanus | |
| C. latipinnis | 40 (18–65) | 30 (11–53) | – | 68 (45–87) | 75 (50–94) | |
| X. texanus | 56 (34–80) | 41 (22–63) | 93 (77–99) | 83 (68–95) | – | |
Estimates are based on 10,000 Monte Carlo iterations. Full species names are provided in Table 1.